【摘要】：隨著計算機技術(shù)的飛速發(fā)展,傳統(tǒng)的實驗室教學已經(jīng)不能夠滿足時代的需求。所以虛擬實驗室教學法應(yīng)運而生,而本課題研究的“高速數(shù)控加工中心虛擬現(xiàn)實教學系統(tǒng)”正是一種嶄新的教學法�！案咚贁�(shù)控加工中心虛擬現(xiàn)實教學系統(tǒng)”是以數(shù)控加工中心機床為實例,通過虛擬現(xiàn)實技術(shù)建立有交互性能的三維可視化教學系統(tǒng)。高速立式加工中心已被列入國家“高檔數(shù)控機床與基礎(chǔ)制造裝備”科技重大專項。把虛擬現(xiàn)實技術(shù)運用于高速數(shù)控加工中心,將為機床教學提供一個逼真、動態(tài)、可視化的教學環(huán)境,推動機床教學的重大變革。教學系統(tǒng)是面向高校機械專業(yè)研發(fā)的。系統(tǒng)可用于教學、實驗、科學研究,具有較高的實用價值。課題圍繞教學系統(tǒng)的研發(fā),完成了機床的三維建模、動畫制作、虛擬建模、虛擬拆裝、數(shù)據(jù)手套調(diào)試、三維立體顯示等研究工作,具體內(nèi)容如下:(1)三維建模:運用Auto CAD和Solidworks軟件,完成了機床的總體方案設(shè)計。確定了機床的主要部件十字滑臺、立柱、主軸箱、刀庫等部件的結(jié)構(gòu)。并用Solidworks軟件建立了機床的三維模型。(2)動畫制作:分析了機床各部件的結(jié)構(gòu)與工作原理,編寫了部件的拆裝流程圖和工作原理圖。運用Deep Exploration軟件完成部件的展示動畫,自動拆裝動畫,工作原理動畫等。(3)虛擬建模:將機床三維模型導(dǎo)入到Creator軟件中。在Creator界面中,對零件進行節(jié)點編制,并賦予各零件以統(tǒng)一規(guī)范的編程代號。(4)虛擬場景:在Vega Prime中構(gòu)建虛擬場景。把虛擬模型導(dǎo)入到場景中。設(shè)置虛擬場景中的光源,視點,碰撞檢測等參數(shù)。(5)虛擬拆裝:分析機床部件的拆裝過程,編寫虛擬拆裝順序表。用VC++編程完成部件的虛擬拆裝程序。(6)系統(tǒng)軟件:運用PS技術(shù)和VC++編程,構(gòu)建虛擬現(xiàn)實教學系統(tǒng)的總程序和主界面,并把動畫模塊和虛擬拆裝子程序?qū)氲娇偝绦蛑?完成教學系統(tǒng)的軟件部分。(7)硬件配置:為系統(tǒng)配置立體顯示、輸入、音效等硬件設(shè)備,強化了系統(tǒng)的性能。實現(xiàn)了鼠標交互,三維鼠標交互,數(shù)據(jù)手套交互三種交互功能。開發(fā)了顯示屏顯示,投影屏顯示,頭盔顯示三種立體顯示方式。
[Abstract]:With the rapid development of computer technology, traditional laboratory teaching can no longer meet the needs of the times. So the teaching method of virtual laboratory arises at the historic moment, and the virtual reality teaching system of high-speed NC machining center is a brand-new teaching method. "Virtual reality teaching system of high speed NC machining center" is a three-dimensional visual teaching system with interactive performance, which takes NC machining center machine tool as an example and uses virtual reality technology to set up a three-dimensional visual teaching system with interactive performance. High-speed vertical machining center has been listed in the national high-grade CNC machine tools and basic manufacturing equipment science and technology major special. The application of virtual reality technology to the high-speed NC machining center will provide a realistic, dynamic and visual teaching environment for the teaching of machine tools, and promote the major changes in the teaching of machine tools. The teaching system is oriented to the research and development of mechanical specialty in colleges and universities. The system can be used in teaching, experiment and scientific research, and has high practical value. Based on the research and development of teaching system, the research work of three-dimensional modeling, animation, virtual modeling, virtual disassembly, data glove debugging, three-dimensional display and so on has been completed. The main contents are as follows: (1) three-dimensional modeling: using Auto CAD and Solidworks software, the overall design of the machine tool is completed. The structure of the main parts of the machine tool, such as cross slide table, post, spindle box, tool bank and so on, is determined. The three-dimensional model of the machine tool is established by using Solidworks software. (2) Animation: the structure and working principle of each part of the machine tool are analyzed, and the flow chart and working principle diagram of parts disassembly and assembly are compiled. Deep Exploration software is used to complete the display animation, automatic disassembly animation, working principle animation and so on. (3) Virtual modeling: three-dimensional model of machine tool is imported into Creator software. In the Creator interface, the nodes of the parts are compiled, and each part is given a unified programming code. (4) Virtual scene: constructing the virtual scene in Vega Prime. Import the virtual model into the scene. Set the parameters such as light source, viewpoint, collision detection and so on in virtual scene. (5) Virtual disassembly: analyze the disassembly process of machine tool parts, and compile the virtual disassembly sequence table. (6) system software: using PS technology and VC programming to construct the main program and main interface of virtual reality teaching system, and import the animation module and virtual disassembly subprogram into the main program, and use VC to complete the virtual disassembly program. (6) the system software uses PS technology and VC programming to construct the main program and main interface of the virtual reality teaching system. Complete the software part of the teaching system. (7) hardware configuration: the system is equipped with hardware equipment such as stereoscopic display, input, sound and so on, which enhances the performance of the system. Realized the mouse interaction, three-dimensional mouse interaction, data glove interaction three interactive functions. Developed display screen, projection screen display, helmet display three kinds of stereoscopic display mode.
【學位授予單位】：陜西科技大學
【學位級別】：碩士
【學位授予年份】：2015
【分類號】：TG659;TP391.9

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